mirror of
https://github.com/signalwire/freeswitch.git
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85 lines
1.1 KiB
C
85 lines
1.1 KiB
C
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/*
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* SpanDSP - a series of DSP components for telephony
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*
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* tgmath.h - a fudge for MSVC, which lacks this header
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2006 Michael Jerris
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*
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*
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* This file is released in the public domain.
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*
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*/
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#if !defined(_TGMATH_H_)
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#define _TGMATH_H_
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#include <math.h>
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#if !defined(M_PI)
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/* C99 systems may not define M_PI */
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#define M_PI 3.14159265358979323846264338327
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* A kindofa rint() for VC++ (only kindofa, because rint should be type generic,
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and this one is purely float to int */
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static inline long int lrintf(float a)
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{
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long int i;
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__asm
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{
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fld a
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fistp i
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}
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return i;
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}
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static inline long int lrint(double a)
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{
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long int i;
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__asm
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{
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fld a
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fistp i
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}
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return i;
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}
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static inline int rintf(float a)
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{
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int i;
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__asm
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{
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fld a
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fistp i
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}
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return i;
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}
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static inline int rint(double a)
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{
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int i;
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__asm
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{
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fld a
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fistp i
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}
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return i;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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